Add debug message in Task.run

HMCL/src/main/java/org/jackhuang/hmcl/ui/wizard/WizardController.java

@@ -85,7 +85,7 @@ public class WizardController implements Navigation {
         if (!canPrev()) {
             throw new IllegalStateException("Cannot go backward since this is the back page. Pages: " + pages);
         }
-        
+
         Node page = pages.pop();
         if (cleanUp && page instanceof WizardPage)
             ((WizardPage) page).cleanup(settings);

HMCLCore/src/main/java/org/jackhuang/hmcl/task/Task.java

@@ -29,6 +29,7 @@ import java.util.Collections;
 import java.util.concurrent.Callable;
 import java.util.concurrent.atomic.AtomicReference;
 import java.util.function.Function;
+import java.util.logging.Level;
 
 /**
  * Disposable task.
@@ -185,6 +186,9 @@ public abstract class Task {
     }
 
     public final void run() throws Exception {
+        if (getSignificance().shouldLog())
+            Logging.LOG.log(Level.FINE, "Executing task: " + getName());
+
         for (Task task : getDependents())
             doSubTask(task);
         execute();